Home / 122,683.70-169,299-68,973.68

Finding the Fourth Proportional to 122,683.70, 169,299 and 68,973.68

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Solution

The fourth proportional to 122,683.70, 169,299 and 68,973.68 is: 95,181.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,683.70 : 169,299 = 68,973.68 : x
  2. Step 2: Convert to fraction form
    122,683.70/169,299 = 68,973.68/x
  3. Step 3: Cross multiply
    122,683.70x = 169,299 × 68,973.68
  4. Step 4: Simplify right side
    122,683.70x = 11,677,174,203.83
  5. Step 5: Solve for x
    x = 11,677,174,203.83/122,683.70
  6. Step 6: Final answer
    x = 95,181.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.